Home / 744,246.74-1,027,029.50-421,978.62

Finding the Fourth Proportional to 744,246.74, 1,027,029.50 and 421,978.62

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Solution

The fourth proportional to 744,246.74, 1,027,029.50 and 421,978.62 is: 582,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,246.74 : 1,027,029.50 = 421,978.62 : x
  2. Step 2: Convert to fraction form
    744,246.74/1,027,029.50 = 421,978.62/x
  3. Step 3: Cross multiply
    744,246.74x = 1,027,029.50 × 421,978.62
  4. Step 4: Simplify right side
    744,246.74x = 433,384,488,999.40
  5. Step 5: Solve for x
    x = 433,384,488,999.40/744,246.74
  6. Step 6: Final answer
    x = 582,312.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.